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Run tests from multiple folders?
Python unit testing best practices
Best practices for pytest organization

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Why Python Unittest Works Only in the Test Script's Directory
¹²³
python - Running unittest with typical test directory structure - Stack Ov…
https://stackoverflow.com/questions/1896918/running-unittest-with-typical-test-directory-structure
Typical directory structure for running tests using unittest in Python - G…
https://www.geeksforgeeks.org/python/typical-directory-structure-for-running-tests-using-unittest-in-python/
Running and writing tests
https://devguide.python.org/testing/run-write-tests/index.html
This issue arises because Python's module import system relies on the current working directory (CWD) to resolve imports. If your test script imports modules from your project, and the CWD is not set correctly, Python cannot locate those modules, leading to import errors.
Example of the Problem
Suppose you have the following structure:
project/
├── src/
│ └── my_module.py
└── tests/
└── test_my_module.py
✕
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Gekopieerd.
If test_my_module.py contains:
from src.my_module import some_function
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Gekopieerd.
Running python -m unittest tests/test_my_module.py from outside the project/ directory will fail because Python cannot find the src directory.
Solutions
1. Adjusting PYTHONPATH
Set the PYTHONPATH environment variable to include your project's root directory. This ensures Python can locate all modules relative to the project root.
Command:
export PYTHONPATH=$(pwd)
python -m unittest discover -s tests
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Gekopieerd.
2. Using Relative Imports
Ensure your test files use relative imports if they are part of a package. For example:
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https://www.geeksforgeeks.org › python › typical-directory-structur…Dit resultaat vertalen
Typical directory structure for running tests using unittest in Python
23 jul. 2025 · Here is a typical directory structure for organizing tests using unittest in a Python project: project/ is the root directory of your Python project. It contains all of the files and subdirectories …
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python - Running unittest with typical test directory structure - Stack ...
I just embarked on writing my very first unit tests in for a tiny Python project and took several days trying to reason with the fact that I can't readily run a test while keeping my sources in a src directory and …
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Codevoorbeeld
$ python -m unittest test.test_antigravity.GravityTestCase
$ python -m unittest test.test_antigravity.GravityTestCase.test_method
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How do I run all Python unit tests in a directory? 13 nov. 2009
Where do the Python unit tests go? 13 sep. 2008
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Organize Your Tests: Ensure that your test files are named in the format `test_*.py` and are located in a directory (commonly named `tests` or similar). Each test file should contain test cases defined as methods within classes that inherit from `unittest.TestCase`.
Use the Discover Command: Open your terminal and navigate to the directory containing your test files. Run the following command:```bashpython -m unittest discover -s <test_directory> -p "test_*.py"```
`-s <test_directory>` specifies the starting directory for discovery (use `.` for the current directory).
`-p "test_*.py"` specifies the pattern to match test files.
Run Tests with Verbosity: If you want more detailed output, you can add the `-v` flag for verbosity:```bashpython -m unittest discover -s <test_directory> -p "test_*.py" -v```
If your tests are in a directory named `tests`, you would run:```bashpython -m unittest discover -s tests -p "test_*.py"```
Ensure `__init: If your tests are organized in subdirectories, make sure each subdirectory contains an `__init__.py` file to be recognized as a package.
Custom Test Loader: You can also create a custom test loader in a script to load and run tests programmatically if needed.By following these steps, you can efficiently run all your unit tests in Python using the unittest framework, ensuring that your code is functioning as expected.
Follow up on Copilot
How do I run all Python unit tests in a directory?
stackoverflow.com·https://stackoverflow.com/questions/1732438/how-do-i-run-all-python-unit-tests-in-a-directory
Solved: How to Run All Python Unit Tests in a Directory
sqlpey.com·https://sqlpey.com/python/solved-how-to-run-all-python-unit-tests-in-a-directory/
Run Unittest in Python: Organizing Code & Running Unittest
pythontutorial.net·https://www.pythontutorial.net/python-unit-testing/python-run-unittest/
Here is a typical directory structure for organizing tests using unittest in a Python project: project/ is the root directory of your Python project. It contains all of the files and subdirectories related to your project. package/ is a subdirectory that contains code for a Python package.
Continue Reading
Typical directory structure for running tests using unittest in Python
geeksforgeeks.org·https://www.geeksforgeeks.org/python/typical-directory-structure-for-running-tests-using-unittest-in-python/
python -m unittest discover will find and run tests in the test directory if they are named test*.py. If you named the subdirectory tests, use python -m unittest discover -s tests, and if you named the test files antigravity_test.py, use python -m unittest discover -s tests -p '*test.py' File names can use underscores but not dashes.
Continue Reading
python - Running unittest with typical test directory structure - Stack
stackoverflow.com·https://stackoverflow.com/questions/1896918/running-unittest-with-typical-test-directory-structure
unittest.main() For a cleaner, more effective way to run all tests, you can use the unittest module’s built-in discovery capabilities. Make sure to place an __init__.py file in your test directory, and ensure your test filenames start with test_: This command automatically finds and runs all unit tests in the specified directory.
Continue Reading
Solved: How to Run All Python Unit Tests in a Directory
sqlpey.com·https://sqlpey.com/python/solved-how-to-run-all-python-unit-tests-in-a-directory/
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unittest — Unit testing framework — Python 3.14.2 …
2 dagen geleden · Here is a short script to test three string methods: A test case is created by subclassing unittest.TestCase. The three individual tests are defined …
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Typical Directory structure for python tests · GitHub
10 feb. 2025 · Typical Directory structure for python tests. GitHub Gist: instantly share code, notes, and snippets.
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Solved: How to Run All Python Unit Tests in a Directory
5 dec. 2024 · A comprehensive guide on how to effectively execute all Python unit tests within a directory using various methods, including practical examples and alternative approaches.
W3docs
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Running unittest with typical test directory structure
Here is an example of how you can run unittests in Python using the typical test directory structure:
Real Python
https://realpython.com › python-unittestDit resultaat vertalen
Python's unittest: Writing Unit Tests for Your Code
In Python, there are several tools to help you write, organize, run, and automate your unit test. In the Python standard library, you’ll find two of these tools: Python’s …
Python Tutorial
https://www.pythontutorial.net › python-unit-testing › python-run-u…Dit resultaat vertalen
Run Unittest in Python: Organizing Code & Running Unittest
In this tutorial, you'll learn how to organize the test code and how to use the various commands to run unittest.
readmedium.com
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Structuring Unit Tests in Python - Read Medium articles …
This context provides a comprehensive guide on structuring unit tests in Python, including directory layout, naming conventions, docstrings, pytest markers, …
fedorkobak.github.io
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Run tests — Python
In such a case you can just run python -m unittest from the folder with tests - everything that can be interpreted as python package will be executed. Note Unittest will only identify modules starting with …

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Why Python Unittest Works Only in the Test Script's Directory

python - Running unittest with typical test directory structure - Stack Ov…

https://stackoverflow.com/questions/1896918/running-unittest-with-typical-test-directory-structure

Typical directory structure for running tests using unittest in Python - G…

https://www.geeksforgeeks.org/python/typical-directory-structure-for-running-tests-using-unittest-in-python/

Running and writing tests

https://devguide.python.org/testing/run-write-tests/index.html

Typical directory structure for running tests using unittest in Python

python - Running unittest with typical test directory structure - Stack ...

Codevoorbeeld

unittest — Unit testing framework — Python 3.14.2 …

Typical Directory structure for python tests · GitHub

Solved: How to Run All Python Unit Tests in a Directory

Running unittest with typical test directory structure

Python's unittest: Writing Unit Tests for Your Code

Run Unittest in Python: Organizing Code & Running Unittest

Structuring Unit Tests in Python - Read Medium articles …

Run tests — Python

Verkrijg uitgebreide informatie over +Unit Test Python Folder

Verkrijg uitgebreide informatie over +Unit Test Python Folder

How do I run all Python unit tests in a directory?	13 nov. 2009
Where do the Python unit tests go?	13 sep. 2008

python - Running unittest with typical test directory structure - Stack Ov…

https://stackoverflow.com/questions/1896918/running-unittest-with-typical-test-directory-structure

Typical directory structure for running tests using unittest in Python - G…

https://www.geeksforgeeks.org/python/typical-directory-structure-for-running-tests-using-unittest-in-python/

Running and writing tests

https://devguide.python.org/testing/run-write-tests/index.html

Codevoorbeeld

How to run UnitTests in Python?

How do I organize tests using unittest in a Python project?

How do I use python -M unittest discover?

How do I run a unittest module?

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